OpenTechnical

OT-2026-000026940

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000026940) never changes.

Identity and time

Publication numberOT-2026-000026940 · never reused
Internal UUID01a0ae72-3452-7671-bf6f-18f66fe18311 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026940
StatusPUBLIC

Content hashes

Canonical textcb3d1778db6dd3edc84d4be7a6bdf8f159ce123ab14de7e9b8490a677ba64978
Markdown08468907c9a8360a44387606d2174d1b2b494adffa69a1270e5d04449a99ccab
PDF
Publication page18c71cd45ddfe594b85bbedcecd980f2964a5dd2dd3ef3a687c0c78f2c7ad8c3
Manifestb3365353cbd78f80bc7cee3503f017c1d5390c8b3e754cfb0cb1cebba4b125fb

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureQpwzlQ9HK4aXVJ1nF26Hz+3Qa8y+Qq70FO5flPOAG6c9m+L2vL7Gi87mbAyPSvx8Rn05C3PVkr6DNDY1hzm9Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:33.504991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026940
observed 18c71cd45ddfe594b85bbedcecd980f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:33.489660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026940/manifest.json
observed b3365353cbd78f80bc7cee3503f017c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:33.475057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026940/publication.md
observed 08468907c9a8360a44387606d2174d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:33.458653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026940/publication.txt
observed cb3d1778db6dd3edc84d4be7a6bdf8f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.